42 lines
1.8 KiB
Python
42 lines
1.8 KiB
Python
# Copyright 2014 Mirantis.inc
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import sqlalchemy as sa
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def upgrade(migrate_engine):
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if migrate_engine.name == 'mysql':
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meta = sa.MetaData(bind=migrate_engine)
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endpoint = sa.Table('endpoint', meta, autoload=True)
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# NOTE(i159): MySQL requires indexes on referencing columns, and those
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# indexes create automatically. That those indexes will have different
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# names, depending on version of MySQL used. We shoud make this naming
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# consistent, by reverting index name to a consistent condition.
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if any(i for i in endpoint.indexes if
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i.columns.keys() == ['service_id'] and i.name != 'service_id'):
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# NOTE(i159): by this action will be made re-creation of an index
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# with the new name. This can be considered as renaming under the
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# MySQL rules.
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sa.Index('service_id', endpoint.c.service_id).create()
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user_group_membership = sa.Table('user_group_membership',
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meta, autoload=True)
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if any(i for i in user_group_membership.indexes if
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i.columns.keys() == ['group_id'] and i.name != 'group_id'):
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sa.Index('group_id', user_group_membership.c.group_id).create()
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